Global Patent Index - EP 3211409 B1

EP 3211409 B1 20210616 - INTEGRATED CAPACITIVE HUMIDITY SENSOR

Title (en)

INTEGRATED CAPACITIVE HUMIDITY SENSOR

Title (de)

INTEGRIERTER KAPAZITIVER FEUCHTESENSOR

Title (fr)

CAPTEUR D'HUMIDITE CAPACITIF INTEGRE

Publication

EP 3211409 B1 20210616 (EN)

Application

EP 17154932 A 20170207

Priority

US 201615053456 A 20160225

Abstract (en)

[origin: EP3211409A1] A semiconductor device composed of a capacitive humidity sensor comprised of a moisture-sensitive polymer layer electrografted to an electrically conductive metal layer situated on an CMOS substrate or a combined MEMS and CMOS substrate, and exposed within an opening through a passivation layer, packages composed of the encapsulated device, and methods of forming the capacitive humidity sensor within the semiconductor device, are provided.

IPC 8 full level

G01N 27/22 (2006.01)

CPC (source: CN EP US)

B81B 7/008 (2013.01 - US); B81C 1/00246 (2013.01 - US); G01N 27/223 (2013.01 - EP US); G01N 27/225 (2013.01 - CN); G01N 27/227 (2013.01 - CN); H01L 21/8238 (2013.01 - CN); B81B 2201/0214 (2013.01 - US); B81B 2207/015 (2013.01 - US); B81B 2207/07 (2013.01 - US); B81C 2201/0159 (2013.01 - US); B81C 2201/016 (2013.01 - US); B81C 2201/019 (2013.01 - US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3211409 A1 20170830; EP 3211409 B1 20210616; CN 107121461 A 20170901; CN 107121461 B 20210924; US 10336606 B2 20190702; US 2017247247 A1 20170831

DOCDB simple family (application)

EP 17154932 A 20170207; CN 201710105978 A 20170224; US 201615053456 A 20160225